Here's what happens when you pass mutable and immutable object references in Java ... to an object reference, the real object will also be changed. Like object types, primitive types are also ...

Even the most complicated classes in Java can be flattened down to nothing more than the set of primitive data types they represent. But primitive types aren’t objects ... a primitive type is used ...

Then you’ll get started with using instance variables in your Java classes. Called primitive types, integral and ... “Don’t access your object’s data directly; use its methods.” ...

Java's default constructor allows developers to create instances of classes when no other constructors are explicitly defined. The default constructor in Java takes no arguments -- it simply ...